well did my 1st track day and id heard these are the best breaks you can get so was looking forward to seeing how good they was going to be after a few laps and they was starting to feel like thery was warped. not all that inpressd feel good on the 1st few laps but after that it just feels like thery are warped.
some one said they could be fitted the wrong way round
rc developments but that was in 2003 so could of had new disc since then or may be been off and put back on wrong will have to take them off and have a good look over them make sure ever thing is ok is it ok to have the disc skemd to make sure they are not warped
just had a look at my invoices and cant seem to find any for any pads after rc fitted them in 2003 says they fitted mintex pads cant see them being the same ones will have to take the wheels off and have a look why what pads should i fit
I am sure the DS2500 are not to blame with this set up . The DS2500 are very stable @ track temps . I think it maybe just a bleeding issue. Many people get this sensation and feel the lack of bite . The thing is here altho the feel went !! did the brakes feel differant but still perform the same ??? or did they fade???
PM thetyrant and he will sort you out for front and rear pads.
With the DS2500's i would get some judder after a few laps and would have to ease off but with the carbotechs i have no problems however hard i push them. Tyres are now the limit
Worth getting some fresh dot5 fluid in there also. Wayne at Arnside is a good source for that
I am sure the DS2500 are not to blame with this set up . The DS2500 are very stable @ track temps . I think it maybe just a bleeding issue. Many people get this sensation and feel the lack of bite . The thing is here altho the feel went !! did the brakes feel differant but still perform the same ??? or did they fade???
Ive got the 330mm 4 pots with drilled disks. Just looked at the pic above and im pretty sure the disk looks like its the wrong way round. Have a look on the ap web site, you can download fitting instructions.
I have the 355mm disc 6pot setup on mine, on the bigger disc kits the grooves on the braking surface flow backwards whereas on the 330 mm kit they are the reverse of that , so it would appear that they are on back to front.
just had a look at my invoices and cant seem to find any for any pads after rc fitted them in 2003 says they fitted mintex pads cant see them being the same ones will have to take the wheels off and have a look why what pads should i fit
What calipers do you have and i can check to see if we have a pad ready for them, we are currently working on sorting pads for all the AP range but it takes time to get all models covered, especially once you see how many variatons there are just in the Evo kit range!.
What calipers do you have and i can check to see if we have a pad ready for them, we are currently working on sorting pads for all the AP range but it takes time to get all models covered, especially once you see how many variatons there are just in the Evo kit range!.
I have the same problem with my AP,s with ds 2500 after a few hard stops they start to fade and seem to warp so iam changing to carbontech pads in the next few weeks
To be fair I was a little dissapointed with only just beating the Ap/ds2500's and Alcon setups on the average stopping time during the 100-10mph deceleration tests, but beat them we did even with the minimal bed in time onto contaminated rotors im sure a few more session on the car and a proper cool down to allow the heat treatment/curing process to be complete would give even better results. However more important to me are the comments like...
"He immediately reported an improved initial bite even during the bedding in laps and he was already more confident on the brakes"
also...
"the Carbotechs performed from cold and gave great pedal modulation"
All in all we are pretty happy with the results considering the conditions etc, now we are awaiting the data and feedback from AP Racing when they test the pads we have supplied them for there datalogging M5
All in all we are pretty happy with the results considering the conditions etc, now we are awaiting the data and feedback from AP Racing when they test the pads we have supplied them for there datalogging M5
Ian,
I will let you know how we get on.
Uncle Winnet,
Have you spoken to anyone at AP Racing about all this ?
All in all we are pretty happy with the results considering the conditions etc, now we are awaiting the data and feedback from AP Racing when they test the pads we have supplied them for there datalogging M5
Ian,
I will let you know how we get on.
Uncle Winnet,
Have you spoken to anyone at AP Racing about all this ?
I would be very surprised if you've managed to warp the rotors. Properly aligned, correctly bed in rotors with the correct pad application should not result in warped rotors. Cast Iron can withstand extremely high temps. During the Project IX brake test we worked the brakes far harder than it would ever be possible to on track, achieving rotor temps in excess of 600 degrees C. Both the AP Racing and Alcon rotors performed impeccably.
I believe it's more likely to be a pad deposit issue, causing a judder sensation when braking. If you can't clean the face of the rotor, either with some heavy braking (once the brakes are up to operating temps) or by cleaning the rotor surface, I'd replace the pads. This is where you have the choice, and correct pad selection for your application is very important and can further improve the fantastic stopping power of a good quality 6 pot kit.
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